// class Fraction
// Author:  Bob Myers
//
// For CIS 3931, Elementary Java

class Fraction
{
  private int numerator = 0;		// numerator (and keeps sign)
  private int denominator = 1;		// always stores positive value

  public Fraction()
  {
  }

  public Fraction(int n, int d)
  {
    if (set(n,d)==false)
	set(0,1);
  }

  public boolean set(int n, int d)
  {
    if (d > 0)
    {
	numerator = n;
	denominator = d;
	return true;
    }
    else
	return false;
  }
  
  public String toString()
  {
    return (numerator + "/" + denominator);
  }

  public int getNumerator()
  {
    return numerator;
  }

  public int getDenominator()
  {
    return denominator;
  }

  public double decimal()
  {
    return (double)numerator / denominator;
  }

}